This product uses 2.4G wireless technology. When the For PS4 host and remote controller are connected, the DVD disc in the For PS4 can be operated by operating the keys on the remote controller. Fast forward, fast backward, playback, pause, return, OPTION, TOP MENU, up, down, left, right keys and other functions can be executed. The longest distance of remote control can reach 10 meters. There is absolutely no need to worry about it. The remote control can not be achieved and the main engine needs to be aligned. Some disadvantages of infrared remote control are avoided. The remote controller is powered by two AAA No. 7 batteries. The product supports the function of secondary connection, which facilitates the use of follow-up remote control.